// kernel.cl
__kernel void vector_add(
    __global const float* a,
    __global const float* b,
    __global float* out,
    const unsigned int n)
{
    const unsigned int gid = get_global_id(0);
    if (gid < n) {
        out[gid] = a[gid] + b[gid];
       // printf("value : %f  \n", out[gid]);
    }
}
